We analyze the twin beam radiation generated by parametric down-conversion in a hexagonally-poled photonic crystal representing an interesting monolithic source of path-entangled photonic states. We highlight a super-resonance condition associated with a four-mode entanglement state.
Super-resonant parametric generation and golden ratio entanglement in hexagonally poled nonlinear crystals
E. Brambilla;
2019-01-01
Abstract
We analyze the twin beam radiation generated by parametric down-conversion in a hexagonally-poled photonic crystal representing an interesting monolithic source of path-entangled photonic states. We highlight a super-resonance condition associated with a four-mode entanglement state.
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